Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
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The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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Castor oil is used as a lubricant in jet planes.
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The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
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The average car produces a pound of pollution every 25 miles!
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The IRS processes more than 2 billion pieces of paper each year.
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It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
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